21663312

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{461}}^1$

素因数の和:572

約数の個数: 80

約数和(自身を含む): 61871040

約数和(自身を除く): 40207728

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 89, 132, 176, 178, 264, 267, 356, 461, 528, 534, 712, 922, 979, 1068, 1383, 1424, 1844, 1958, 2136, 2766, 2937, 3688, 3916, 4272, 5071, 5532, 5874, 7376, 7832, 10142, 11064, 11748, 15213, 15664, 20284, 22128, 23496, 30426, 40568, 41029, 46992, 60852, 81136, 82058, 121704, 123087, 164116, 243408, 246174, 328232, 451319, 492348, 656464, 902638, 984696, 1353957, 1805276, 1969392, 2707914, 3610552, 5415828, 7221104, 10831656, 21663312]

約数ペア:

[(1, 21663312), (2, 10831656), (3, 7221104), (4, 5415828), (6, 3610552), (8, 2707914), (11, 1969392), (12, 1805276), (16, 1353957), (22, 984696), (24, 902638), (33, 656464), (44, 492348), (48, 451319), (66, 328232), (88, 246174), (89, 243408), (132, 164116), (176, 123087), (178, 121704), (264, 82058), (267, 81136), (356, 60852), (461, 46992), (528, 41029), (534, 40568), (712, 30426), (922, 23496), (979, 22128), (1068, 20284), (1383, 15664), (1424, 15213), (1844, 11748), (1958, 11064), (2136, 10142), (2766, 7832), (2937, 7376), (3688, 5874), (3916, 5532), (4272, 5071)]